Msp First Trimester Review

MS Pre-Algebra First Trimester Review Write a mathematical expression to represent the following statements: 1. Three less than the product of five and a number. 2. The sum of six and a number is 25. 3. The quotient of 8 and a number is five less than the same number. 4. Eight less than 25 times a number 5. Five more than 10 less than a number Evaluate Each Expression when x = 3, y = -2, and z = 10. 6. x + y + z

7. 2x – 3y + 5z

8. xy – z

9. x2 – y2

10. zy – xy

11. x ( y – z)

Solve. 12. 2x – 8 = 10

13. 3x – 7 = 2

14.

x 3

+ 4 = -1

15. 6x – 210 = 6

16. 6x – 2x – 3 – 5

17. 3y – 6 – 2y = 6

18. 11r – 2r – 12r = -39

19. 2x + 5x + (-3x) – 3 = 9

20. 3x + 2(x – 1) = 8

21. 3(t – 4) + 6 = 0

1

22. 16 = - 2 (q + 2)

23. -

1 7

(x – 11) = 2

24. x = 22 – (-12) + 3

25. x = 2 – 2 – 2 + (-2)

Simplify. 26. 4 ∙ 3 + 42

27. (3 + 2) ÷ 5 ∙ 23

28. 3 [ 24 ÷ 4 – 2 ]

29. 24 + 42 ∙ 6

30. [2 + 3(2) + 32] - 42

31. 64 ÷ (2)(8) + 12

32. (4 + 6) ÷ 2 + 52

33. [(42 + 2) ÷ 2 + 10] – 2

34. 3x + x

35. 3a + 5b + 6a

36. 3s + 2t + 8s + 4

37. 4a + 6a + 2a2

38. 3(y + 2) + 6y

39. 3(x + z) + 4(z + 2)

40. 2x + 2y + 6x

41. y + 2(y + 2)

Find the next two numbers in the sequence. 42. 2, 11, 20, 29, ____, ____ 43. 6, 30, 150, ____, ____ 44. 4, 12, 36, 108, ____, ____ 45. 5, 15, 25, ___, ____

Plot the points, connect the dots, and then name the shape that the point make. 46. (3, 0), (3, 4), and (-3, 4) 47. (0, 2), (-4, 2), and (3, 2) 48. (2, 4), (-2, 4), (-2, -4), and (2, -4) 49. (-2, 0), (1, 3), (4, 0), and (1, -3)

50. Use the following set of data: 15, 8, 9, 9, 8, 10, 8, 10, 12, 15, 20, 22, 25, 11

Mean =

51. 2 + 2 – 2

52. 2 + (-2) – 2 + 2

53. 2 – 2(2)(-2) -2(-2)

54. 2(-2)(-2) – 2

55. | -25 | =

56. | 25 | - | -25 |

57. - | 25 | - | 25 | =

58 | 25 | - | 25 | =